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/*
* Copyright (C) 2025 Samuel Weinig <sam@webkit.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include <WebCore/StylePrimitiveNumericTypes.h>
namespace WebCore {
namespace Style {
// <'size'> (for @page) = <length [0,∞]>{1,2} | auto | [ <page-size> || [ portrait | landscape ] ]
// https://drafts.csswg.org/css-page-3/#descdef-page-size
struct PageSize {
using Lengths = MinimallySerializingSpaceSeparatedSize<Length<CSS::Nonnegative>>;
PageSize(Lengths&& lengths) : m_value { WTFMove(lengths) } { }
PageSize(CSS::Keyword::Auto keyword) : m_value { keyword } { }
PageSize(CSS::Keyword::Portrait keyword) : m_value { keyword } { }
PageSize(CSS::Keyword::Landscape keyword) : m_value { keyword } { }
template<typename... F> decltype(auto) switchOn(F&&... f) const
{
return WTF::switchOn(m_value, std::forward<F>(f)...);
}
bool operator==(const PageSize&) const = default;
private:
Variant<Lengths, CSS::Keyword::Auto, CSS::Keyword::Portrait, CSS::Keyword::Landscape> m_value { CSS::Keyword::Auto { } };
};
// MARK: - Conversion
template<> struct CSSValueConversion<PageSize> { auto operator()(BuilderState&, const CSSValue&) -> PageSize; };
} // namespace Style
} // namespace WebCore
DEFINE_VARIANT_LIKE_CONFORMANCE(WebCore::Style::PageSize)
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